Home / 18,178,732.80-27,268,099.20-4,715,560.80

Finding the Fourth Proportional to 18,178,732.80, 27,268,099.20 and 4,715,560.80

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Solution

The fourth proportional to 18,178,732.80, 27,268,099.20 and 4,715,560.80 is: 7,073,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178,732.80 : 27,268,099.20 = 4,715,560.80 : x
  2. Step 2: Convert to fraction form
    18,178,732.80/27,268,099.20 = 4,715,560.80/x
  3. Step 3: Cross multiply
    18,178,732.80x = 27,268,099.20 × 4,715,560.80
  4. Step 4: Simplify right side
    18,178,732.80x = 128,584,379,678,031.34
  5. Step 5: Solve for x
    x = 128,584,379,678,031.34/18,178,732.80
  6. Step 6: Final answer
    x = 7,073,341.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.